Main Features
The JR207-FK-4G is a vandal-resistant telephone designed for robust communication in challenging environments. It features 4G wireless communication with remote configuration capabilities, a full metal keypad with programmable speed-dial buttons, and an ABS material handset with a noise-cancelling microphone. The handset is compatible with hearing aids and includes a magnetic reed hook-switch. The device is wall-mounted, easy to install, and housed in a corrosion-resistant steel casing with an IP54 protection level. It supports HD calls with advanced noise reduction technology and meets CE, FCC, RoHS, IK10, and ISO9001 standards.

Technical Specifications
The telephone operates on a 4G module with various regional frequency bands, including LTE-FDD, LTE-TDD, WCDMA, and GSM/EDGE. It supports GPS/GLONASS/BeiDou (Compass)/Galileo/QZSS for navigation. The power supply ranges from 7.4V to 12V DC, with a power consumption of 0.3W idle and 1.5W working. The device allows remote configuration via SMS and includes diagnostic functions for monitoring battery voltage, signal strength, and audio levels. It operates in temperatures from -40°C to 65°C and has a mean time between failures (MTBF) exceeding 50,000 hours.

Applications
The JR207-FK-4G is suitable for environments prone to vandalism, such as parking lots, prisons, airports, railway stations, ATMs, hospitals, police stations, shopping malls, and stadiums. It can be equipped with optional accessories like acoustic hoods, broadcast horns, LED beacon lights, and acousto-optical alarms.

Dimensions and Packaging
The unit measures 248x195x132.6 mm, with shipping dimensions of 340x235x165 mm. It is packaged with foam padding in a carton, with a net weight of 3 kg and a gross weight of 4 kg.

Contact Information
For more information, contact JR Teck at +86-755-27322952 or visit their website at www.jrteck.com. Their address is 6/F, A1, Xingyi Industrial City, Baishixia Est., Fuyong, Bao'an, Shenzhen, China. Email inquiries can be sent to [email protected].